Journal of Vibration and Acoustics: Recent submissions
Now showing items 1881-1900 of 3913
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Optimized Near Minimum Time Control of Flexible Structures Using Variable Gain (LQG) Control Strategies
(The American Society of Mechanical Engineers (ASME), 2006)A neural network based time optimal control of flexible structures is presented. The implementation is done on a flexible inverted L structure with surface-bonded piezoceramic sensors/actuators. ... -
A Spectral Finite Element Model for Wave Propagation Analysis in Laminated Composite Plate
(The American Society of Mechanical Engineers (ASME), 2006)A new spectral plate element (SPE) is developed to analyze wave propagation in anisotropic laminated composite media. The element is based on the first-order laminated plate theory, which takes ... -
Moving Axle Load From Multi-Span Continuous Bridge: Laboratory Study
(The American Society of Mechanical Engineers (ASME), 2006)Laboratory study on the identification of moving vehicle axle loads on a multi-span continuous bridge from the measured bending moment responses is presented. A bridge-vehicle system model was ... -
Closure to “Discussion on ‘Prediction of Time-Varying Vibroacoustic Energy Using a New Energy Approach’ ” (2005, ASME. J. Vib. Acoust., 127, p. 100)
(The American Society of Mechanical Engineers (ASME), 2006)This short letter offers a reply to the discussion on our previous paper, “Prediction of Time Varying Vibroacoustic Energy Using a New Energy Approach” (1) made by Savin (2). Generally speaking, ... -
Granular Damping in Forced Vibration: Qualitative and Quantitative Analyses
(The American Society of Mechanical Engineers (ASME), 2006)Granular damping is a passive vibration suppression technique which attenuates the response of a vibrating structure by the use of a granule-filled enclosure attached to or embedded in the ... -
A State Space Formulation for Moving Loads Identification
(The American Society of Mechanical Engineers (ASME), 2006)A new moving load identification method formulated in state space with regularization on the solution is presented. The bridge deck is modeled as an orthotropic rectangular plate, and the loads ... -
Reduced-Order Finite Element Models of Viscoelastically Damped Beams Through Internal Variables Projection
(The American Society of Mechanical Engineers (ASME), 2006)For a growing number of applications, the well-known passive viscoelastic constrained layer damping treatments need to be augmented by some active control technique. However, active controllers ... -
Nonlinear Dynamics and Control of a Pneumatic Vibration Isolator
(The American Society of Mechanical Engineers (ASME), 2006)The nonlinear dynamics of a single-degree-of-freedom pneumatic vibration isolator are studied. Based on a physical model, a nonsymmetric stiffness nonlinearity is derived to describe the stiffness ... -
Computation of the Statistics of Forced Response of a Mistuned Bladed Disk Assembly via Polynomial Chaos
(The American Society of Mechanical Engineers (ASME), 2006)The method of polynomial chaos has been used to analytically compute the statistics of the forced response of a mistuned bladed disk assembly. The model of the bladed disk assembly considers ... -
Order Reduction of Parametrically Excited Linear and Nonlinear Structural Systems
(The American Society of Mechanical Engineers (ASME), 2006)Order reduction of parametrically excited linear and nonlinear structural systems represented by a set of second order equations is considered. First, the system is converted into a second order ... -
Piezoelectric Active Sensor Self-Diagnostics Using Electrical Admittance Measurements
(The American Society of Mechanical Engineers (ASME), 2006)This paper presents a piezoelectric sensor self-diagnostic procedure that performs in situ monitoring of the operational status of piezoelectric materials used for sensors and actuators in structural ... -
A Method for Liquid Level Detection Under Complicated Boundary Conditions
(The American Society of Mechanical Engineers (ASME), 2006)In this paper a method of liquid level detection by mechanical resonant vibrations is presented which is based on longitudinal vibrations of a steel capillary and is able to detect a liquid ... -
Limit Cycle Behavior of Smart Fluid Dampers Under Closed Loop Control
(The American Society of Mechanical Engineers (ASME), 2006)Semiactive vibration dampers offer an attractive compromise between the simplicity and fail safety of passive devices, and the weight, cost, and complexity of fully active systems. In addition, ... -
Chaotic Behavior of a Symmetric Laminate With Transient Thermal Field
(The American Society of Mechanical Engineers (ASME), 2006)A symmetric isotropic laminate in a simply supported boundary condition is analyzed for its nonlinear dynamic response subjected to a nonuniform transient thermal field. The equation of motion ... -
Discussion: “Friction-Compensating Command Shaping for Vibration Reduction” (Lawrence, J., Singhose, W., and Hekman, K., 2005, ASME J. Vib. Acoust., 127, pp. 307–314)
(The American Society of Mechanical Engineers (ASME), 2006)In their paper (1), the authors consider a nonlinear mechanical system represented by Display Formulamẍ+(Kd+b)ẋ+Kpx=Kdu̇+Kpu−sign(ẋ)μkN (1) In Eq. 1, m is the mass of the system, Kd is the ... -
Panel Flutter Model Identification Using the Minimum Model Error Method on the Forced Response Measurements
(The American Society of Mechanical Engineers (ASME), 2006)This work illustrates application of the minimum model error system identification method to obtain the nonlinear state space models of a fluttering panel. Identification using position and ... -
On the Control of Axially Moving Material Systems
(The American Society of Mechanical Engineers (ASME), 2006)Vibration control can improve the performance of many axially moving material systems (e.g., web handling machines and tape drives). Researchers have used Lyapunov analysis to develop vibration ... -
Homogenization of Quasi-Periodic Structures
(The American Society of Mechanical Engineers (ASME), 2006)A novel asymptotical approach to integrate differential equations governing quasi-regular structures, particularly suitable on the stage of construction design, is proposed. -
Semi-Active Static Output Feedback Variable Structure Control for Two-Stage Vibration Isolation System
(The American Society of Mechanical Engineers (ASME), 2006)A semi-active static output feedback variable structure control (VSC) strategy is presented to control a two-stage vibration isolation system in this paper. A continuous output feedback VSC ... -
Erratum: “Scaling Laws for Ultra-Short Hydrostatic Gas Journal Bearings” [Journal of Vibration and Acoustics, 2005, 127(3), pp. 254–261]
(The American Society of Mechanical Engineers (ASME), 2006)The exponents of the clearance to radius term (C∕R) in the scaling law for damping ratio ζ in Eqs. 19,20 were inadvertently switched between these two equations. Equations 19,20 should ...